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How do you add swap to an EC2 instance?
...1M count=4096
Make sure no other user can view the swap file
sudo chown root:root /mnt/swapfile
sudo chmod 600 /mnt/swapfile
Make and Flag as swap
sudo mkswap /mnt/swapfile
sudo swapon /mnt/swapfile
Add/Make sure the following are in your /etc/fstab
/dev/xvda2 /mnt auto defaults,...
How can I make my own base image for Docker?
... from any tarball with "docker import". For example:
debootstrap raring ./rootfs
tar -C ./rootfs -c . | docker import - flimm/mybase
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How to configure postgresql for the first time?
...
Under Linux PostgresQL is usually configured to allow the root user to login as the postgres superuser postgres from the shell (console or ssh).
$ psql -U postgres
Then you would just create a new database as usual:
CREATE ROLE myuser LOGIN password 'secret';
CREATE DATABASE myd...
Delete fork dependency of a GitHub repository
...laboration->Network and depending on your use case you should use 'Make Root', 'Detach' or 'Extract'.
– Kutzi
Sep 2 '19 at 10:28
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Set the absolute position of a view
...d"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/root"
android:background="#33AAFF"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</FrameLayout>
Activity / Fragment / Custom view
//...
FrameLayout root = (FrameLayout)find...
Gradle build only one module
...ltiple module gradle build. I want to execute targets for one module using root.
Ex :
4 Answers
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How do I force git to use LF instead of CR+LF under windows?
... want git to normalize all the files in the repo. To do this, go to to the root of your repo and run these commands:
git rm --cached -rf .
git diff --cached --name-only -z | xargs -n 50 -0 git add -f
If you now want git to also normalize the files in your working directory, run these commands:
g...
How can I exclude directories from grep -R?
...r current directory. So use pattern --exclude-dir=dir, not --exclude-dir="/root/dir/*".
– tanius
Feb 8 '14 at 17:39
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How to copy DLL files into the same folder as the executable using CMake?
...D GLOBAL)
set_property(TARGET sdl2 PROPERTY IMPORTED_IMPLIB_RELEASE "${SDL_ROOT_PATH}/lib/SDL2.lib")
set_property(TARGET sdl2 PROPERTY IMPORTED_LOCATION_RELEASE "${SDL_ROOT_PATH}/bin/SDL2.dll")
set_property(TARGET sdl2 PROPERTY IMPORTED_IMPLIB_DEBUG "${SDL_ROOT_PATH}/lib/SDL2d.lib")
set_property(TAR...
Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes
...linux ubuntu and just fixed it, it seems that OS was confused between the /root/.ssh/ and home/user/.ssh/ dir, what i did was:
removed all keys from root and home/user .shh directory.
generated a new key make sure to pay attention to the path of creation (/home/you/.ssh/id_rsa) or (/root/.ssh/id_r...